Sheffield · S12
Gas safety certificate in S12 (Birley)? We'll point you the right way.
Covering Birley, Gleadless, Gleadless Townend, Hackenthorpe, Intake, Ridgeway, including Beighton, Gleadless Valley, Mosborough. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in S12 (Birley)
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Request a gas safety certificate in S12 (Birley)
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S12 (Birley) in a nutshell
S12 covers Birley, Gleadless, Gleadless Townend, Hackenthorpe, Intake, Ridgeway, in North East Derbyshire and Sheffield. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for S12
Two councils in one district
S12 is split between North East Derbyshire and Sheffield. Some councils run their own landlord licensing, so check which one your home is in.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
S12 stretches across Beighton, Birley, Gleadless Valley and more, so give your full postcode, not just 'S12', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Sheffield run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Sheffield: 78.6% mains gas onlyEngland landlord rules: quick version
- Every year: a check by a Gas Safe registered engineer.
- Within 28 days: give your tenants a copy (new tenants get it before they move in).
- Keep it: hang on to records for at least 2 years.
More detail on the Sheffield page. Always double-check on GOV.UK.
Next door to S12
Frequently asked questions
Which areas does S12 cover?
S12 (Birley, Gleadless, Gleadless Townend, Hackenthorpe, Intake, Ridgeway) includes the wards of Beighton, Birley, Gleadless Valley, Mosborough, Park and Arbourthorne, Richmond, Ridgeway & Marsh Lane (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to S12?
Neighbouring districts include S14 (Gleadless Valley), S13 (Handsworth), S9 (Attercliffe), S2 (Arbourthorne) (ONS Postcode Directory via Doogal). A pro covering S12 may well cover these too, so it's worth asking.
How many homes are in S12?
About 15,364 households and 34,897 residents at the 2011 Census, across 655 active postcodes (Doogal / ONS Postcode Directory).
Which council area is S12 in?
S12 sits in North East Derbyshire, Sheffield (postcodes.io). Parliamentary constituency: North East Derbyshire, Sheffield Heeley, Sheffield South East.
📊 The numbers behind this page
- Postcode district
- S12 1
- Areas covered
- Birley, Gleadless, Gleadless Townend, Hackenthorpe, Intake, Ridgeway 2
- Active postcodes
- 655 3
- Households (2011 Census, via Doogal)
- 15,364 2
- Population (2011 Census, via Doogal)
- 34,897 2
- Electoral wards
- Beighton, Birley, Gleadless Valley, Mosborough, Park and Arbourthorne, Richmond, Ridgeway & Marsh Lane 4
- Parliamentary constituencies
- North East Derbyshire, Sheffield Heeley, Sheffield South East 4
- Local authority
- North East Derbyshire, Sheffield 4
- Households heated by mains gas only (Sheffield built-up area)
- 78.6% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.